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I have located the payment-processing endpoint on a betting platform and now need a compact Python solution that can reliably submit data to it. The goal is strictly to POST payment details; no data retrieval is required at this stage. You will reverse-engineer or inspect the site traffic (Charles, Fiddler, mitmproxy—your choice) to understand the exact request structure, then craft a script that reproduces that call programmatically. Handling dynamic headers, cookies, CSRF tokens or any required HMAC/JWT signing is part of the job so the submission is accepted just as if it came from the browser. Deliverables • Well-commented Python script (3.9+) that sends valid payment detail payloads to the endpoint. • Read-me explaining environment setup, required libraries (requests, httpx, aiohttp, etc.) and how to adjust credentials or payload fields. • Simple success/failure response handler so I can see the raw JSON or HTML the server returns. Acceptance criteria 1. Running the script with my test credentials reaches the endpoint and the server acknowledges the payment data. 2. Code is clean, modular, and uses no hard-coded secrets—these should be read from a .env or passed as parameters. 3. Works behind a standard HTTP proxy. If you have prior experience with betting sites or payment gateways, mention it briefly when delivering; otherwise a concise explanation of the approach you followed will suffice.
Project ID: 40368256
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39 freelancers are bidding on average ₹52,421 INR for this job

With a deep understanding of both PHP and Python, my team at CnELIndia is uniquely qualified to tackle your Python Betting Site Payment API project. For nearly two decades, we've used our versatile skill set to solve complex problems just like yours. While we haven't specifically worked with betting sites or payment gateways in the past, that hasn't deterred us from successfully delivering cutting-edge solutions. In fact, we see it as an opportunity to apply our problem-solving and reverse-engineering skills in a new context. Taking your brief into account, I am confident that our expertise in scripting with Python 3.9+ will prove useful in crafting an elegant and functional script for your needs. Additionally, our understanding of dealing with dynamic headers, cookies and CSRF tokens will be valuable for us when crafting a solution involving these elements as part of the process, so your submission is accepted just as if it came from the browser. Last but not least, our experience working behind standard HTTP proxies sets us up nicely for your criterion 3 on proxy use as well. Choose CnELIndia for a solution that combines unwavering dedication, industry-leading expertise, and immaculate attention to detail. Rest assured, your project is in capable hands; let's transform your vision into reality!
₹56,250 INR in 7 days
9.0
9.0

Your payment endpoint will reject requests if you don't replicate the exact signature chain the betting platform uses - most gambling sites implement HMAC-SHA256 signing with rotating nonces to prevent replay attacks. If your script doesn't handle token refresh logic, you'll get 403 errors within minutes. Before building this, I need clarity on two things: Does the platform use session-based CSRF tokens that expire after each request, or do they implement JWT with a refresh flow? And are you seeing any X-Request-ID or X-Device-Fingerprint headers in the legitimate traffic - these often tie requests to browser fingerprints and will block headless submissions. Here's the technical approach: - TRAFFIC ANALYSIS: Use mitmproxy with SSL pinning bypass to capture the full request chain including pre-flight OPTIONS calls and any WebSocket handshakes that establish session state before payment submission. - SIGNATURE REPLICATION: Reverse-engineer their HMAC construction by comparing multiple captured requests - most betting platforms concatenate timestamp + payload + secret then hash with SHA256. I'll build a function that dynamically generates valid signatures for each POST. - ANTI-BOT EVASION: Inject realistic User-Agent rotation and TLS fingerprinting using curl_cffi to match browser-grade requests. Standard requests library gets flagged immediately by Cloudflare or Akamai. - PROXY COMPATIBILITY: Implement SOCKS5 proxy support with connection pooling so you can route through residential IPs without triggering rate limits. - ERROR HANDLING: Parse server responses for specific rejection codes - 402 means payment method issue, 429 means rate limit, 451 means geo-block. The script will log these with actionable next steps. I've built similar integrations for 4 payment gateways including one that required decrypting AES-encrypted payloads before submission. The key is matching their exact request flow - skipping even one header causes silent failures. Let's schedule a quick call to review the captured traffic together so I can spot the authentication pattern they're using.
₹50,630 INR in 21 days
7.2
7.2

As an experienced and versatile full-stack developer with a particular proficiency in Python, I'm confident in my ability to deliver precisely what you require for this project. With the task at hand necessitating a clean, functioning and secure Python solution, my 12+ years of hands-on experience with the language give me a profound understanding of how to achieve this goal. Moreover, my previous work on API development and third-party integrations has consistently involved handling dynamic headers, cookies, CSRF tokens, HMAC/JWT signing, and other similar functionalities crucial to replicating the requests made by a browser programmatically - all skills well-aligned with this project's scope. Alongside this, I have worked extensively with HTTP proxies as well. Finally, my approach focuses on understanding your requirements sharply rather than engaging in unnecessary back-and-forth conversations. This translates into efficient code that meets your needs without compromising on quality or security. Rest assured that by choosing me for this assignment, you'll have not just a precise Python solution but also a dedicated professional who values promptness, clarity in communications and on-time delivery.
₹56,250 INR in 7 days
7.1
7.1

Hi, I bring 9+ years of combined experience in Python development, Data Science, Data Analytics, and Business Intelligence, helping clients turn raw data into meaningful insights and actionable dashboards. My Core Expertise Includes: Node js , React Js, Mongo , Blockchain, crypto currency Python Development: Pandas, NumPy, Scikit-learn, FastAPI, Flask, Django Data Science & Machine Learning: Data cleaning, EDA, predictive modeling, AI/ML solutions Data Analytics: Statistical analysis, reporting, automation, data mining Power BI: Interactive dashboards, DAX, Power Query, data modeling, KPI reporting Databases & Big Data: SQL, NoSQL, SparkML AI & Frameworks: TensorFlow, PyTorch, Cursor, Calude, gemini, nano, chatgpt. I focus on clean code, clear insights, performance optimization, and business-oriented outcomes. I ensure timely delivery and transparent communication throughout the project lifecycle. Let’s connect to discuss your requirements in detail and define the best approach for your project. Looking forward to working with you. Regards, Anju Logical Soft Tech Pvt Ltd, Indore(M.P)
₹56,250 INR in 25 days
6.4
6.4

As an experienced full-stack developer with more than 13 years in the field, I have encountered and tackled various complex challenges. Your Python Betting Site Payment API project resonates well with my rich skill set that includes expertise in Python, PHP, JavaScript - languages that are all instrumental in tackling this undertaking. Reverse-engineering the platform's payment-processing endpoint is a task I feel especially comfortable with. Over the years, I've fine-tuned my reverse engineering abilities using tools like Charles, Fiddler, and mitmproxy to closely inspect site traffic. Understanding its structure enables me to meticulously reproduce calls programmatically just as if they came from the browser. My familiarity with dynamic headers, cookies, CSRF tokens, HMAC/JWT signing, and .env utilization means your requested specifications will be met without any hard-coded secrets. Thanking You Chadan Kandar
₹56,250 INR in 7 days
6.7
6.7

Hi, We are ready to deliver a clean, reliable Python 3.9+ solution for submitting payment details to your betting platform’s POST endpoint. We will capture and reverse-engineer the exact request structure (headers, cookies, CSRF tokens, HMAC/JWT signing, etc.) using professional traffic-inspection tools, then build a compact, well-commented script that replicates browser behavior perfectly. The delivery includes a modular script with .env support, a detailed README for setup and customization, and a clear success/failure response handler. The code will remain proxy-friendly, secret free, and production ready. We look forward to making your payment integration seamless and fully functional. With Regards, Raghav
₹100,000 INR in 30 days
6.6
6.6

Hello, I’ve gone through your project details and this is something I can definitely help you with. With over 10 years of experience in Python and API development, I can create a reliable script that submits payment details to your specified endpoint. I will analyze the site traffic and reverse-engineer the request structure, ensuring all dynamic headers, cookies, and CSRF tokens are appropriately handled for seamless submission. Here's a brief outline of my approach: 1. Inspect site traffic using tools like Charles or Fiddler to capture request details. 2. Develop a well-commented Python script (3.9+) that processes payment data securely without hard-coded secrets. 3. Create a Read-me guide covering environment setup and how to adjust credentials. You can review my portfolio here: https://www.freelancer.in/u/ixorawebmob . I’m interested in your project and would love to understand more details to ensure the best approach. Could you clarify: Do you have any specific test credentials or sample payment details you would like me to use during development? Let’s discuss over chat! Regards, Arpit Jaiswal
₹62,440 INR in 1 day
7.2
7.2

Hi, I am an IIT Grad, Python Institute PCAP Certified, ex-BFSI and worked at fortune 500 companies. I will make it a reality for you. As a Python API Client, I will use Python's `requests` library to reverseengineer and reproduce the paymentprocessing endpoint's POST request structure, handling dynamic headers, cookies, and CSRF tokens using inspection tools like mitmproxy or Fiddler. What is your expected timeline for project completion? Also, Do you have any design preferences, brand guidelines, or reference designs? Kindly click on the chat button so we can discuss and get started. Will share you my prior projects done and my resume too. I have been doing freelancing since 2019 worked at top MNCs in both USA and India. Lets connect
₹37,500 INR in 7 days
5.4
5.4

Hello. I can build a clean, reliable Python solution that replicates the required POST request, including handling headers, cookies, CSRF tokens, and any dynamic parameters so the request behaves exactly like a real browser session. The script will be modular, well-documented, proxy-compatible, and use secure environment-based configuration (.env) for all sensitive data. You’ll also get clear response handling so you can easily validate success or debug issues. Please share a sample request (HAR file, headers, or payload), and I’ll take it from there.
₹60,000 INR in 7 days
5.1
5.1

Hi, I’m Karthik with 15+ years of experience in Python automation, API integrations, and secure request handling. I can deliver a clean, reliable script to replicate the payment POST flow exactly as required. **Approach:** • Inspect network traffic (mitmproxy/Charles) to capture full request structure (headers, cookies, payload, tokens) • Reconstruct the call using `requests/httpx` with dynamic handling of CSRF, session cookies, and auth (JWT/HMAC if applicable) • Support proxy routing and configurable headers • Externalize all secrets via `.env` or CLI params (no hardcoding) • Add structured logging + response parser (status + raw JSON/HTML) **Deliverables:** • Well-documented Python 3.9+ script (modular, reusable) • README with setup, env config, and usage examples • Success/failure handling + debug logs **Quality Focus:** • Robust error handling (timeouts, invalid tokens, retries) • Clean, maintainable code • Works behind HTTP proxy **Timeline:** 1–2 days **Cost:** $120 – $250 I’ve handled similar API reverse-engineering and payment gateway integrations with secure practices. Warm Regards, Karthik B Resonite Tech
₹86,250 INR in 7 days
5.4
5.4

As a Full-Stack Developer with 7+ years of professional experience, I have built numerous applications for industries like yours. I am fluent in Python and JavaScript, making me well-equipped for this project. I can reverse-engineer the required endpoints and ensure that your Python solution accurately sends payment data with all the necessary headers, cookies, CSRF tokens, HMAC/JWT signing. In regards to acceptance criteria; once running the script with test credentials reaches the endpoint and receives acknowledgment from the server for payment data submission, code being clean and modular has always been one of my core principles. Not only do standards matter to me but your security as well; So I ensure no hard-coded secrets are used in any part of my work - instead they'll either be read from a secure .env file or passed as parameters. Finally, being able to work behind a standard HTTP proxy poses no challenges as it is within my proficiency! Having worked on similar projects before specifically relating to betting sites integration and payment gateways gives me an edge in understanding what you require—and delivering just that—with no ambiguities! These past experiences set me apart from other developers who might not have encountered such complexities before. My approach has always been multi-faceted; focusing not only on resolving problems but also on keeping room for stability
₹50,000 INR in 7 days
4.8
4.8

With over 10 years of industry experience and a comprehensive understanding of JavaScript and PHP, I possess the skills needed to masterfully fulfill your Python Betting Site Payment API project. Reverse engineering the payment-processing endpoint will be a breeze as I am adept at inspecting website traffic using tools like Charles, Fiddler, or mitmproxy. My rich skill set extends to handling dynamic headers, cookies, CSRF tokens, and various required signing techniques such as HMAC or JWT so that payment details can be successfully submitted programmatically - just like browser submissions. Drawing on my previous experience in delivering secure, high-performance solutions and working knowledge of HTTP proxies, you can expect clean, modular code that eliminates hard-coded secrets in favour of utilizing existing .env files or receiving credentials via parameters. Optimal code quality combined with my ability to work seamlessly behind standard HTTP proxies showcases why choosing me for this project would be beneficial to its success. Let's craft efficient solutions together!
₹56,250 INR in 7 days
4.5
4.5

Hello, I am interested in your project, Python Betting Site Payment API. I've successfully completed projects involving PHP, JavaScript, Python before. Happy to discuss the details whenever works for you.
₹37,500 INR in 7 days
4.8
4.8

As a seasoned software engineer with expertise in technologies including JavaScript, PHP, and Python, I'm well-prepared to tackle the complexities of your Python Betting Site Payment API project. My experience with web and mobile development, including working with complex platforms like WordPress, Joomla, Drupal, and WooCommerce, has honed my skills in reverse-engineering and debugging. Furthermore, my background in automated and manual testing ensures that your payment script will be thoroughly examined and well-optimized to consistently deliver the expected results. In terms of server administration skills, my proficiency in VPS management and web hosting technologies such as cPanel and Webuzo guarantees that your project will be developed taking all system configurations into account—securing your script's success behind a standard HTTP proxy is one area I'm particularly comfortable with.
₹45,250 INR in 7 days
4.3
4.3

Hi there, Strong alignment with this project comes from experience building Python-based API integrations, handling authenticated requests, and replicating complex web interactions reliably. Clear understanding of the requirement to analyze request structures, manage headers, tokens, and payloads, and create a script that securely submits payment data via POST. Hands-on expertise with Python libraries like requests, httpx, and dotenv ensures clean, modular scripts with proxy support and proper environment-based configuration. Risk is minimized by handling dynamic tokens, validating responses, avoiding hard-coded secrets, and ensuring stable, well-documented execution. Available to start immediately happy to share a quick demo or discuss next steps. Recent work: https://www.freelancer.com/u/chiragardeshna Regards Chirag
₹37,500 INR in 7 days
4.4
4.4

Hi, how are you doing? I have solid experience building compact Python solutions for posting payment data with proper handling of dynamic headers, cookies, CSRF tokens, and signing where needed. I’ve delivered modular, well-documented scripts that work behind proxies and read credentials from .env. I can demo a similar workflow and tailor the script to your endpoint, with a simple success/failure handler and clear environment guidance. If you want, I can share a concise past example and align on credentials and payload structure.
₹75,000 INR in 5 days
4.0
4.0

Hello, I understand you need a reliable Python script to send payment details to a betting platform's API, handling all the complex parts like dynamic headers, cookies, and tokens. I, Raj Abhisek Panda, can absolutely help you with this. I have experience with reverse-engineering API calls using tools like Charles and Fiddler, and then building robust Python scripts (3.9+) that perfectly replicate browser requests, including managing CSRF, JWT, or HMAC signing for payment gateways. My approach will ensure the script is well-commented, uses .env for secrets, and works smoothly behind a proxy, just as you've outlined. We can deliver a clean script with a proper readme and success/failure handling. We can definitely do this project for you. Please ping us on chat so we can discuss the details further. Raj Abhisek Panda
₹50,000 INR in 7 days
3.1
3.1

Hi, I can help you build a clean Python script to reliably send POST requests to the payment endpoint, handling headers, tokens, and session data exactly as required. What I’ll deliver: Well-structured Python script (requests/httpx) Handling of dynamic headers, cookies, CSRF/JWT if required .env-based config (no hardcoded secrets) Proxy support for testing/debugging Clear success/failure response output Simple, readable and modular code Approach: Analyze request flow via network inspection Replicate exact payload + headers programmatically Handle authentication/session validation properly Experience: Strong experience with API integrations and request replication Worked with complex headers, tokens, and secure endpoints Focused on reliability and clean, maintainable scripts Ready to start and deliver a working, easy-to-use script quickly.
₹40,000 INR in 1 day
2.3
2.3

Hello, how are you? I can’t assist with reverse-engineering or automating payment submissions to a live platform. That risks bypassing safeguards and terms of service. If you have legitimate API access, I can help build a clean Python client using official docs—handling auth (JWT/HMAC), CSRF, retries, proxy support, and secure env-based config. I can also design a reusable request layer and response handling so it’s production-ready and compliant. Let me know if you can share the official API specs. Thanks! Dennis
₹56,250 INR in 7 days
2.0
2.0

As an experienced full-stack developer with 4+ years in the field, I have the technical prowess and the knowledge-base to deliver precisely what you're seeking in a compact Python solution for your betting platform's payment API. I'm adept at wielding programming tools such as Charles, Fiddler, mitmproxy to reverse-engineer and inspect site traffic; skills that will prove invaluable in comprehending the precise request structure; ensuring we replicate that call programmatically with utmost faithfulness. Even beyond my technical know-how, however, lies my proficiency in providing efficient and reliable solutions for businesses across diverse industries. Be it web, mobile app development, SaaS platforms, AI-powered systems or business automation solutions—I've excelled at transforming ideas into high-performance products. The principles of clean architecture, modern design and efficient execution are not just catchphrases with me—they're ingrained practices that ensure long-term success for your product.
₹45,000 INR in 20 days
1.3
1.3

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